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<li class="navelem"><a class="el" href="../../dir_52a01df1794e5beec01860bdd05aea48.html">PublicAPI</a></li><li class="navelem"><a class="el" href="../../dir_61153f54a0892efe919342a84eb61844.html">ATEC</a></li>  </ul>
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  <div class="headertitle"><div class="title">RefCounted.h</div></div>
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<a href="../../de/ddb/_ref_counted_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span>ATEC_TYPEDEFS(IRefCounted);</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span>BEGIN_ATEC_NAMESPACE</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="keyword">struct  </span>IRefCounted</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span>{</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span>    <span class="keyword">virtual</span> ~IRefCounted() {}</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>    <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(<span class="keywordtype">size_t</span> size) { <span class="keywordflow">return</span> ATECAllocator_allocateIRefCounted(size); }</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>    <span class="keywordtype">void</span>  <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span> *rawMem, <span class="keywordtype">size_t</span> size) { ATECAllocator_deleteIRefCounted(rawMem, size); }</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span>    <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span> [](<span class="keywordtype">size_t</span> size) { <span class="keywordflow">return</span> ATECAllocator_allocateArrayIRefCounted(size); }</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>    <span class="keywordtype">void</span>  <span class="keyword">operator</span> <span class="keyword">delete</span> [](<span class="keywordtype">void</span> *rawMem, <span class="keywordtype">size_t</span> size) { ATECAllocator_deleteArrayIRefCounted(rawMem, size); }</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <span class="keyword">virtual</span> UInt32 AddRef() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>    <span class="keyword">virtual</span> UInt32 Release() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>};</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="../../de/ddb/_ref_counted_8h.html#a18018cc82b1770e3c844e4c55e3ae07f">   34</a></span><span class="preprocessor">#define DEFINE_ATEC_REF_COUNTED_MEMBERS \</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">private:\</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">    mutable AtAtomic&lt;::UInt32&gt; m_refCount;        \</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">public:\</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">    void* operator new(size_t size) { return ATECAllocator_allocateRefCounted (size); }  \</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">    void  operator delete(void *rawMem, size_t size) { ATECAllocator_deleteRefCounted (rawMem, size); }    \</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">    void* operator new [](size_t size) { return ATECAllocator_allocateArrayRefCounted (size); }  \</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">    void  operator delete [] (void *rawMem, size_t size) { ATECAllocator_deleteArrayRefCounted (rawMem, size); }   \</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">public:\</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">    ::UInt32 AddRef() const {return ++m_refCount;}\</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">    ::UInt32 Release() const                      \</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="preprocessor">        {                                         \</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="preprocessor">        if (1 &lt; m_refCount--)                     \</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">            return  m_refCount.load();            \</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">        delete this;                              \</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="preprocessor">        return  0;                                \</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="preprocessor">        }</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="../../de/ddb/_ref_counted_8h.html#a51a6abe9287639469e3ec17f8165d61c">   55</a></span><span class="preprocessor">#define DEFINE_ATEC_REF_COUNTED_MEMBER_INIT m_refCount.store(0);</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="../../dc/d64/class_ref_counted.html">   64</a></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Base&gt; <span class="keyword">class </span><a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a> : <span class="keyword">public</span> Base</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    <a class="code hl_define" href="../../de/ddb/_ref_counted_8h.html#a18018cc82b1770e3c844e4c55e3ae07f">DEFINE_ATEC_REF_COUNTED_MEMBERS</a></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    <span class="keyword">virtual</span> <a class="code hl_class" href="../../dc/d64/class_ref_counted.html">~RefCounted</a>() {}</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>    <a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a>() { <a class="code hl_define" href="../../de/ddb/_ref_counted_8h.html#a51a6abe9287639469e3ec17f8165d61c">DEFINE_ATEC_REF_COUNTED_MEMBER_INIT</a> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    <a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a>(<a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a> <span class="keyword">const</span>&amp; rhs) { <a class="code hl_define" href="../../de/ddb/_ref_counted_8h.html#a51a6abe9287639469e3ec17f8165d61c">DEFINE_ATEC_REF_COUNTED_MEMBER_INIT</a> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    <a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a>&amp; operator=(<a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a> <span class="keyword">const</span>&amp; rhs) { <span class="keywordflow">if</span> (<span class="keyword">this</span> != &amp;rhs) { Base::operator=(rhs); } <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>    ::UInt32 GetRefCount()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_refCount.load(); }</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>};</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="keyword">class </span>RefCountedBase : <span class="keyword">public</span> <a class="code hl_class" href="../../dc/d64/class_ref_counted.html">RefCounted</a> &lt;IRefCounted&gt;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>{</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>};</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt; <span class="keyword">class </span>RefCountedPtr</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>{</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <span class="keyword">typedef</span> RefCountedPtr this_type;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    T * p_;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="keyword">typedef</span> T element_type;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    RefCountedPtr() : p_(0) {}</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    RefCountedPtr(T * p, <span class="keywordtype">bool</span> add_ref = <span class="keyword">true</span>) : p_(p)</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        <span class="keywordflow">if</span> (p_ != 0 &amp;&amp; add_ref) p_-&gt;AddRef();</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; RefCountedPtr(RefCountedPtr&lt;U&gt; <span class="keyword">const</span> &amp; rhs) : p_(rhs.get())</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        <span class="keywordflow">if</span> (p_ != 0) p_-&gt;AddRef();</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>    }</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    RefCountedPtr(RefCountedPtr <span class="keyword">const</span>&amp; rhs) : p_(rhs.p_)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>        <span class="keywordflow">if</span> (p_ != 0) p_-&gt;AddRef();</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    }</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    RefCountedPtr(RefCountedPtr&amp;&amp; rhs) : p_(std::move(rhs.p_)) { rhs.p_ = 0; }</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    RefCountedPtr&amp; operator=(RefCountedPtr&amp;&amp; rhs)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    {</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        this_type(std::move(rhs)).swap(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    ~RefCountedPtr()</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    {</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        <span class="keywordflow">if</span> (p_ != 0) p_-&gt;Release();</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    }</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; RefCountedPtr &amp; operator=(RefCountedPtr&lt;U&gt; <span class="keyword">const</span> &amp; rhs)</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>        this_type(rhs).swap(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    <span class="keywordtype">bool</span> operator== (RefCountedPtr&lt;T&gt; <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>        <span class="keywordflow">return</span> p_ == rhs.p_;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keywordtype">bool</span> operator== (RefCountedPtr&lt;U&gt; <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>        <span class="keywordflow">return</span> p_ == rhs.get();</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="keywordtype">bool</span> operator!= (RefCountedPtr&lt;T&gt; <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>        <span class="keywordflow">return</span> p_ != rhs.p_;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keywordtype">bool</span> operator!= (RefCountedPtr&lt;U&gt; <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>        <span class="keywordflow">return</span> p_ != rhs.get();</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>    RefCountedPtr &amp; operator=(RefCountedPtr <span class="keyword">const</span> &amp; rhs)</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>    {</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        this_type(rhs).swap(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>    }</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    RefCountedPtr &amp; operator=(T * rhs)</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>        this_type(rhs).swap(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>    T * get()<span class="keyword"> const</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>        <span class="keywordflow">return</span> p_;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    }</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    T* <span class="keyword">const</span>&amp; GetCR()<span class="keyword"> const</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>        <span class="keywordflow">return</span> p_;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    }</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>    T*&amp; GetR()</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>        <span class="keywordflow">return</span> p_;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>    }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    T &amp; operator*()<span class="keyword"> const</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <span class="keywordflow">return</span> *p_;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    }</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    T * operator-&gt;()<span class="keyword"> const</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        <span class="keywordflow">return</span> p_;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>    }</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    <span class="keywordtype">bool</span> IsValid()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 0 != p_; }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    <span class="keywordtype">bool</span> IsNull()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !IsValid(); }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    <span class="keywordtype">bool</span> Equals(T <span class="keyword">const</span>* other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other == get(); }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    <span class="keywordtype">bool</span> Equals(RefCountedPtr <span class="keyword">const</span>&amp; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other.get() == get(); }</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    <span class="keywordtype">void</span> swap(RefCountedPtr &amp; rhs)</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>    {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>        T * tmp = p_;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>        p_ = rhs.p_;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>        rhs.p_ = tmp;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    }</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>};</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt; <span class="keywordtype">void</span> swap(RefCountedPtr&lt;T&gt; &amp; lhs, RefCountedPtr&lt;T&gt; &amp; rhs)</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>{</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>    lhs.swap(rhs);</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>}</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt; T * get_pointer(RefCountedPtr&lt;T&gt; <span class="keyword">const</span> &amp; p)</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>{</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    <span class="keywordflow">return</span> p.get();</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>}</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt; RefCountedPtr&lt;T&gt; static_pointer_cast(RefCountedPtr&lt;U&gt; <span class="keyword">const</span> &amp; p)</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>{</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>T *<span class="keyword">&gt;</span>(p.get());</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>}</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt; RefCountedPtr&lt;T&gt; const_pointer_cast(RefCountedPtr&lt;U&gt; <span class="keyword">const</span> &amp; p)</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>{</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>    <span class="keywordflow">return</span> <span class="keyword">const_cast&lt;</span>T *<span class="keyword">&gt;</span>(p.get());</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>}</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt; RefCountedPtr&lt;T&gt; dynamic_pointer_cast(RefCountedPtr&lt;U&gt; <span class="keyword">const</span> &amp; p)</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>{</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    <span class="keywordflow">return</span> <span class="keyword">dynamic_cast&lt;</span>T *<span class="keyword">&gt;</span>(p.get());</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>}</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>END_ATEC_NAMESPACE</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="ttc" id="a_ref_counted_8h_html_a18018cc82b1770e3c844e4c55e3ae07f"><div class="ttname"><a href="../../de/ddb/_ref_counted_8h.html#a18018cc82b1770e3c844e4c55e3ae07f">DEFINE_ATEC_REF_COUNTED_MEMBERS</a></div><div class="ttdeci">#define DEFINE_ATEC_REF_COUNTED_MEMBERS</div><div class="ttdef"><b>Definition:</b> RefCounted.h:34</div></div>
<div class="ttc" id="a_ref_counted_8h_html_a51a6abe9287639469e3ec17f8165d61c"><div class="ttname"><a href="../../de/ddb/_ref_counted_8h.html#a51a6abe9287639469e3ec17f8165d61c">DEFINE_ATEC_REF_COUNTED_MEMBER_INIT</a></div><div class="ttdeci">#define DEFINE_ATEC_REF_COUNTED_MEMBER_INIT</div><div class="ttdef"><b>Definition:</b> RefCounted.h:55</div></div>
<div class="ttc" id="aclass_ref_counted_html"><div class="ttname"><a href="../../dc/d64/class_ref_counted.html">RefCounted</a></div><div class="ttdoc">用于实现引用计数模式的模板类</div><div class="ttdef"><b>Definition:</b> RefCounted.h:65</div></div>
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